Home / 91,521.24-137,328.94-69,327.24

Finding the Fourth Proportional to 91,521.24, 137,328.94 and 69,327.24

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Solution

The fourth proportional to 91,521.24, 137,328.94 and 69,327.24 is: 104,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,521.24 : 137,328.94 = 69,327.24 : x
  2. Step 2: Convert to fraction form
    91,521.24/137,328.94 = 69,327.24/x
  3. Step 3: Cross multiply
    91,521.24x = 137,328.94 × 69,327.24
  4. Step 4: Simplify right side
    91,521.24x = 9,520,636,382.33
  5. Step 5: Solve for x
    x = 9,520,636,382.33/91,521.24
  6. Step 6: Final answer
    x = 104,026.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.